Extrinsic 207286-1

{
  "heartbeat": {
    "blockNumber": 207285,
    "sessionIndex": 3454,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe4078fd186bde1826be8d8c879a800b150a24aaac4fb88702d614235e650d734fdd7cc50db03051cf698fe52a6738b24eac6c8347c0ca23649d10076a1d6c288"
}